Title:
Air filter, or similar article
United States Patent D244538


Inventors:
Wharton, Charles E. (Lake Forest, IL)
Bell, Clarence (Chicago, IL)
Application Number:
05/575459
Publication Date:
05/31/1977
Filing Date:
05/07/1975
Assignee:
Korhumel Industries, Inc.
Primary Class:
Field of Search:
D23/149, D23/163, D23/141, 55/DIG.31, 55/516, 55/518, 55/532, 98/107, 98/98
View Patent Images:
US Patent References:
3831765FILTER FRAMEAugust, 1974Flynn et al.55D/IG3.1
3774377FILTER ASSEMBLY WITH REPLACEABLE FILTER ELEMENTNovember, 1973Bishop55D/IG3.1
D177925N/AJune, 1956Powers et al.D23/163
2715453Air filter unitAugust, 1955Lange55D/IG3.1
2677436Casing for air filtersMay, 1954Mazek55D/IG3.1



Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Jones, Larry
Attorney, Agent or Firm:
Sherman, Benjamin H.
Claims:
1. The ornamental design for an air filter, or similar article, substantiallyas shown.

Description:

FIG. 1 is a plan view of one face of the air filter showing our design;

FIG. 2 is an edge elevational view thereof looking toward the right side in FIG. 1, the opposite edge being identical;

FIG. 3 is an edge elevational view looking toward the lower edge thereof in FIG. 1, the opposite edge being identical; and

FIG. 4 is a plan view of the opposite face thereof.